Add 2/84 and 54/8
1st number: 2/84, 2nd number: 6 6/8
2/84 + 54/8 is 569/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 8 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 84 × 2 = 168,
2/84 = 2 × 2/84 × 2 = 4/168 - Likewise, for the 2nd fraction, since 8 × 21 = 168,
54/8 = 54 × 21/8 × 21 = 1134/168 - Add the two like fractions:
4/168 + 1134/168 = 4 + 1134/168 = 1138/168 - 1138/168 simplified gives 569/84
- So, 2/84 + 54/8 = 569/84
In mixed form: 665/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/84+54/8 2/84+54/16 6/84+54/8 2/84+54/24 10/84+54/8 2/84+54/40 14/84+54/8 2/84+54/56